【判断题】无论 A 是否奇异,矩阵 (sI-A) 的逆都存在。
【判断题】The writer believed that if the man were not superstitious he would not have an accident.
【判断题】The writer believed that having father driving her to school was wonderful.
【单选题】“经济全球化”这个词最早是由T·莱维于1985年在( )中提出,这个词也是20世纪80年代以来才流行开来。
【判断题】分红保险的主要红利来源是寿险公司的死差益、费差益和利差益,分红水平在投保时分为高中低三挡,保险公司有权根据分红险业务实际经营情况在三挡分红水平中进行选择。
【简答题】A man was sitting in the doctor’s office. He was telling the doctor about his problem. “I like football, doctor,” he said. “Please help me. My life has 小题1: been a good one since I became interested i...
【单选题】The writer believed it was ___________ to have the boy meet the girl or get them together properly.
【单选题】New York is far from (远离) China. We must go there _____________. [ ]
【判断题】无论A是否奇异,矩阵(SI-A)的逆都存在( )A. × B. √